IMP 1 quiz

A 63 yo female with shortness of breath. On your arrival, the patient appears drowsy and is on 10L of oxygen via mask. You perform an ABG, which reveals the following results:

•PaO2: 52.5 mmHg (82.5 – 97.5 mmHg)

•pH: 7.29 (7.35 – 7.45)

•PaCO2: 68.2 mmHg (35.2 – 45 mmHg)

•HCO3–: 28 (22 – 26 mEq/L)

• A.Respiratory acidosis without metabolic compensation

• A.Respiratory acidosis with partial metabolic compensation

• A.Respiratory acidosis with metabolic compensation

• A.Metabolic acidosis without respiratory compensation

• A.Metabolic acidosis with partial respiratory compensation

51 yo T1DM presents with confusion. You perform an ABG, which reveals the following results:

•PaO2: 95 mmHg (82.5 – 97.5 mmHg)

•pH: 7.07 (7.35 – 7.45)

•PaCO2: 29 mmHg (35.2 – 45 mmHg)

•HCO3–: 8 (22 – 26 mEq/L)

• A.Respiratory acidosis with partial metabolic compensation

• A.Respiratory acidosis with metabolic compensation

• A.Metabolic acidosis without respiratory compensation

• A.Metabolic acidosis with partial respiratory compensation

• A.Metabolic acidosis with respiratory compensation

What is the duration of a normal pr-interval?

• •0.08 – 0.12 seconds (2-3 small sq)

• •0.04-0.08 seconds (1-2 small sq)

• •0.12-0.2 seconds (3-5 small sq)

• •0.04- 0.12 seconds (1-3 small sq)

What is this ECG showing?

• First degree heart block

• Second degree heart block (Mobitz I)

• Second degree heart block (Mobitz II)

• Complete heart block

Answer explanation

What is rate of this ECG

• 70 b.p.m

• 60 b.p.m

• 50 b.p.m

• 40 b.p.m

What is the ECG showing (Red Arrow)

• Atrial Fibrillation

• Ventricular Fibrillation

• Asystole

• Premature Ventricular Contraction

• Heart Block

What is the ECG showing

• Atrial Fibrillation

• Ventricular Fibrillation

• normal

• Premature Ventricular Contraction

• Heart Block

Describe this CXR

What are the signs of heart failure on a CXR?

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Answer explanation

Alveolar oedema

B line

Cardiomegaly

Dilated upper lobe vessels

Effusion

This image shows

• L hilum tumour

• R heart failure

• TB

• No abnormality detected